Home / 123,303.42-170,158.72-66,714.80

Finding the Fourth Proportional to 123,303.42, 170,158.72 and 66,714.80

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Solution

The fourth proportional to 123,303.42, 170,158.72 and 66,714.80 is: 92,066.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,303.42 : 170,158.72 = 66,714.80 : x
  2. Step 2: Convert to fraction form
    123,303.42/170,158.72 = 66,714.80/x
  3. Step 3: Cross multiply
    123,303.42x = 170,158.72 × 66,714.80
  4. Step 4: Simplify right side
    123,303.42x = 11,352,104,973.06
  5. Step 5: Solve for x
    x = 11,352,104,973.06/123,303.42
  6. Step 6: Final answer
    x = 92,066.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.